Floyd Shiffman (left) and Hayley Koch (right) battle it out during a sing off with the help of the lead singer of The Breakfast Club, Josh Scholl, as they perform on stage during the fifth annual ShamRockin for a Cure at the Verizon Wireless Amphitheatre in Alpharetta on Saturday, March 9, 2013.
130309 Alpharetta: Floyd Shiffman (left) and Hayley Koch (right) battle it out during a sing off with the help of the lead singer of The Breakfast Club, Josh Scholl, as they perform on stage during the fifth annual ShamRockin for a Cure at the Verizon Wireless Amphitheatre in Alpharetta on Saturday, March 9, 2013. ShamrRockin for a Cure is a fundraiser which raises money for the Cystic Fibrosis Foundation. Jonathan Phillips Special